diff options
Diffstat (limited to 'testing/web-platform/tests/css/css-color/canvas-change-opacity.html')
| -rw-r--r-- | testing/web-platform/tests/css/css-color/canvas-change-opacity.html | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/testing/web-platform/tests/css/css-color/canvas-change-opacity.html b/testing/web-platform/tests/css/css-color/canvas-change-opacity.html new file mode 100644 index 0000000000..1c1ea718bf --- /dev/null +++ b/testing/web-platform/tests/css/css-color/canvas-change-opacity.html @@ -0,0 +1,20 @@ +<!DOCTYPE html> +<html class="reftest-wait"> +<link rel="help" href="http://www.w3.org/TR/css3-color/#transparency"> +<link rel="help" href="http://crbug.com/1296899"> +<link rel="match" href="greensquare-ref.html"> +<script src="/common/rendering-utils.js"></script> +<script src="/common/reftest-wait.js"></script> +<p>Test passes if you see a green square, and no red.</p> +<div style="position: absolute; width: 12em; height: 12em; background: red"></div> +<canvas id="canvas" style="position: relative; width: 12em; height: 12em; opacity: 0.2"></canvas> +<script> + const ctx = canvas.getContext("2d"); + ctx.fillStyle = "green"; + ctx.fillRect(0, 0, canvas.width, canvas.height); + waitForAtLeastOneFrame().then(() => { + canvas.style.opacity = 1; + takeScreenshot(); + }); +</script> +</html> |